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Extended Warranty
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Select a warranty to be added to your items. Extended Warranty Policy

  • HOME
  • DODGE/RAM
    • 1st Gen Dodge Cummins (1989-1993)
    • 2nd Gen 12v Dodge Cummins (1994-1998)
    • 2nd Gen 24v Dodge Cummins (1998.5-2002
    • 3rd Gen Dodge Cummins (2003-2007)
    • 4th Gen Dodge Cummins (2007.5-2018)
  • CHEVY/GMC
    • 2001-2004 6.6L LB7
    • 2004.5-2005 6.6L LLY
    • 2006-2007 6.6L LLY/LBZ
    • 2007.5-2010 6.6L LMM
  • FORD
    • 1994.5-1997 7.3L
      • 2017 (6.7L)
      • Gearhead Tuning
    • 1999-2003 7.3L
    • 2003-2007 6.0L
    • 2008-2010 6.4L
    • 2011-2016 6.7L
    • 2017-2025 6.7L
  • POWER DRIVEN DIESEL
    • TOP SELLERS
      • Air Filters
      • Cylinder Heads
      • Gear
      • Gauges
      • Turbos
      • Oil & ATF
    • POWER PACKAGES
      • 1st Gen 12v Dodge Cummins
      • 2nd Gen 12v Dodge Cummins
      • 24v Dodge Cummins
      • CommonRail Dodge Cummins
      • 6.0L Powerstroke
    • TURBOCHARGERS
      • Power Driven Turbos
      • Power Driven Compound Systems
      • Power Driven Drop-In Turbos
      • Borg Warner
      • Garrett
      • Turbine Housings
      • Turbo Accessories
    • TRANSMISSONS
      • Full Transmissions
      • Transmission Kits
      • Transmission Line Replacement Kits
      • Torque Converters
      • Transmission Parts
      • Valve Bodies & DIY Kits
      • Pan Off Transmission Upgrades
      • Transmission Pans
      • Flexplates
  • BRANDS
  • Merch
  • CONTACT US
    • Click to Call
    • Email Customer Service
    • Email Sales & Tech Support
    • Online Return Center
    • Sell Us Your Cores
    • Warranty Form
    • Shop/Dealer Locator Tool
    • Become a Dealer
    • Submit Feedback
    • Social Media
      • YouTube
      • Instagram
      • Facebook
      • TikTok

Country/region

  • Afghanistan (AFN ؋)
  • Åland Islands (EUR €)
  • Albania (ALL L)
  • Algeria (DZD د.ج)
  • Andorra (EUR €)
  • Angola (USD $)
  • Anguilla (XCD $)
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  • Sale

    Cometic GM / Mercury 8.1L 496ci 4.350in Bore .066in MLS-5 RH Head Gasket

    Reviews Cometic GM / Mercury 8.1L 496ci 4.350in Bore .066in MLS-5 RH Head Gasket

    Comprised of multiple embossed layers of stainl...

    Regular price $141.99
    Regular price $156.98 Sale price $141.99
    VIEW DETAILS
  • Sale

    Cometic GM / Mercury 8.1L 496ci 4.350in Bore .060in MLS-5 RH Head Gasket

    Reviews Cometic GM / Mercury 8.1L 496ci 4.350in Bore .060in MLS-5 RH Head Gasket

    Comprised of multiple embossed layers of stainl...

    Regular price $141.99
    Regular price $156.98 Sale price $141.99
    VIEW DETAILS
  • Sale

    Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .056in MLS Cylinder Head Gasket - 4.350in Bore - RHS

    Reviews Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .056in MLS Cylinder Head Gasket - 4.350in Bore - RHS

    Comprised of multiple embossed layers of stainl...

    Regular price $141.99
    Regular price $156.98 Sale price $141.99
    VIEW DETAILS
  • Sale

    Cometic GM / Mercury 8.1L 496ci 4.350in Bore .051in MLS RH Head Gasket

    Reviews Cometic GM / Mercury 8.1L 496ci 4.350in Bore .051in MLS RH Head Gasket

    Comprised of multiple embossed layers of stainl...

    Regular price $103.99
    Regular price $115.44 Sale price $103.99
    VIEW DETAILS
  • Sale

    Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .045in MLS Cylinder Head Gasket - 4.350in Bore - RHS

    Reviews Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .045in MLS Cylinder Head Gasket - 4.350in Bore - RHS

    Comprised of multiple embossed layers of stainl...

    Regular price $103.99
    Regular price $115.44 Sale price $103.99
    VIEW DETAILS
  • Sale

    Cometic GM / Mercury 8.1L 496ci 110.49mm .040 inch MLS RHS Head Gasket

    Reviews Cometic GM / Mercury 8.1L 496ci 110.49mm .040 inch MLS RHS Head Gasket

    Comprised of multiple embossed layers of stainl...

    Regular price $98.99
    Regular price $109.94 Sale price $98.99
    VIEW DETAILS
  • Sale

    Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .140in MLS Cylinder Head Gasket - 4.280in Bore - RHS

    Reviews Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .140in MLS Cylinder Head Gasket - 4.280in Bore - RHS

    Comprised of multiple embossed layers of stainl...

    Regular price $235.99
    Regular price $261.92 Sale price $235.99
    VIEW DETAILS
  • Sale

    Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .089in MLS Cylinder Head Gasket - 4.280in Bore - RHS

    Reviews Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .089in MLS Cylinder Head Gasket - 4.280in Bore - RHS

    Comprised of multiple embossed layers of stainl...

    Regular price $152.99
    Regular price $169.59 Sale price $152.99
    VIEW DETAILS
  • Sale

    Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .080in MLS Cylinder Head Gasket - 4.280in Bore - RHS

    Reviews Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .080in MLS Cylinder Head Gasket - 4.280in Bore - RHS

    Comprised of multiple embossed layers of stainl...

    Regular price $152.99
    Regular price $169.59 Sale price $152.99
    VIEW DETAILS
  • Sale

    Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .070in MLS Cylinder Head Gasket - 4.280in Bore - RHS

    Reviews Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .070in MLS Cylinder Head Gasket - 4.280in Bore - RHS

    Comprised of multiple embossed layers of stainl...

    Regular price $141.99
    Regular price $156.98 Sale price $141.99
    VIEW DETAILS
  • Sale

    Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .066in MLS Cylinder Head Gasket - 4.280in Bore - RHS

    Reviews Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .066in MLS Cylinder Head Gasket - 4.280in Bore - RHS

    Comprised of multiple embossed layers of stainl...

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    Cometic GM/Mercury 8.1L 496ci 4.280in .060 inch MLS Head Gasket - RH

    Reviews Cometic GM/Mercury 8.1L 496ci 4.280in .060 inch MLS Head Gasket - RH

    Comprised of multiple embossed layers of stainl...

    Regular price $141.99
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    Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .056in MLS Cylinder Head Gasket - 4.280in Bore - RHS

    Reviews Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .056in MLS Cylinder Head Gasket - 4.280in Bore - RHS

    Comprised of multiple embossed layers of stainl...

    Regular price $141.99
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    Cometic GM/Mercury 8.1L 496ci 4.280in .051 inch MLS Head Gasket - RH

    Reviews Cometic GM/Mercury 8.1L 496ci 4.280in .051 inch MLS Head Gasket - RH

    Comprised of multiple embossed layers of stainl...

    Regular price $103.99
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    Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .045in MLS Cylinder Head Gasket - 4.280in Bore - RHS

    Reviews Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .045in MLS Cylinder Head Gasket - 4.280in Bore - RHS

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    Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .040in MLS Cylinder Head Gasket - 4.280in Bore - RHS

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    Cometic GM/Mercury 8.1L 496ci 4.280in .030 inch MLS Head Gasket - RH

    Reviews Cometic GM/Mercury 8.1L 496ci 4.280in .030 inch MLS Head Gasket - RH

    Comprised of multiple embossed layers of stainl...

    Regular price $98.99
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  • Sale

    Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .027in MLS Cylinder Head Gasket - 4.280in Bore - RHS

    Reviews Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .027in MLS Cylinder Head Gasket - 4.280in Bore - RHS

    Comprised of multiple embossed layers of stainl...

    Regular price $98.99
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    Cometic Ford 302/351 Windsor V8 4.200in Bore / .062in MLX Cylinder Head Gasket

    Reviews Cometic Ford 302/351 Windsor V8 4.200in Bore / .062in MLX Cylinder Head Gasket

    Comprised of multiple embossed layers of stainl...

    Regular price $118.99
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    Cometic Ford 302/351W Windsor V8 .052in MLX Cylinder Head Gasket - 4.200in Bore - SVO

    Reviews Cometic Ford 302/351W Windsor V8 .052in MLX Cylinder Head Gasket - 4.200in Bore - SVO

    Comprised of multiple embossed layers of stainl...

    Regular price $118.99
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    Cometic Ford 302/351W Windsor V8 .044in MLX Cylinder Head Gasket - 4.200in Bore - SVO

    Reviews Cometic Ford 302/351W Windsor V8 .044in MLX Cylinder Head Gasket - 4.200in Bore - SVO

    Comprised of multiple embossed layers of stainl...

    Regular price $118.99
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    Cometic Ford 302/351W Windsor V8 .042in MLX Cylinder Head Gasket - 4.200in Bore - SVO

    Reviews Cometic Ford 302/351W Windsor V8 .042in MLX Cylinder Head Gasket - 4.200in Bore - SVO

    Comprised of multiple embossed layers of stainl...

    Regular price $118.99
    Regular price $131.93 Sale price $118.99
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  • Sale

    Cometic Ford 302/351W Windsor V8 .040in MLX Cylinder 4.200in Bore SVO Head Gasket

    Reviews Cometic Ford 302/351W Windsor V8 .040in MLX Cylinder 4.200in Bore SVO Head Gasket

    Comprised of multiple embossed layers of stainl...

    Regular price $113.99
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    Cometic GM LS1 SB 4.060 inch Bore .140 inch MLS Head Gasket

    Reviews Cometic GM LS1 SB 4.060 inch Bore .140 inch MLS Head Gasket

    Comprised of multiple embossed layers of stainl...

    Regular price $235.99
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